/usr/bin/cgnscalc is in cgns-convert 3.3.0-5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58  | #!/bin/sh
# sh script to launch CGNS calculator
dir=`dirname $0`
# source the setup script
. /usr/share/cgnstools/cgconfig
# get the calcwish executable
calcwish=""
for d in $CG_BIN_DIR $dir $dir/cgnstools $dir/cgnscalc \
         /usr/local/bin /usr/local/bin/cgnstools ; do
  if test -x $d/calcwish ; then
    calcwish=$d/calcwish
    break
  fi
  if test -x $d/cgnswish/calcwish ; then
    calcwish=$d/cgnswish/calcwish
    break
  fi
done
if test -z "$calcwish" ; then
  echo "Error: calcwish executable not found"
  exit 1
fi
# find the cgnscalc tcl script
cgnscalc=""
for d in $CG_LIB_DIR $dir $dir/cgnstools $dir/cgnscalc \
         /usr/local/share /usr/local/share/cgnstools ; do
  if test -f $d/cgnscalc.tcl ; then
    cgnscalc=$d/cgnscalc.tcl
    break
  fi
done
if test -z "$cgnscalc" ; then
  echo "Error: cgnscalc.tcl script not found"
  exit 1
fi
# check that display is set
#if test -z "$DISPLAY" ; then
#  echo "Error: DISPLAY environment variable not set"
#  exit 1
#fi
# execute
if test "$#" = 0 ; then
  exec $calcwish $cgnscalc
else
  exec $calcwish $cgnscalc "$@"
fi
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